Furnace for heating tie-plate flanges



- 1,611,318 M. OVESTRUD FURNACE FOR EATING TIE PLATE FLANGES I Filed April 29, 1925 2 Sheets-Sheet 1 Dec. 21', 1926. 1,611,318 i M. OVESTRUD I FURNACE FOR HEATING TIE PLATE FLANGES Filed April 1925 2 Sheets-Sheet 2 V I i i7 2.? 2

" inn .25 Mus im v means of tie-beams 23 traVersirigsa-id guide 1 b'ars2l', 22j-andibolted thereto ith bolts 24. Hung from the "tie heems '28 1 and between each pair of guide bars 21522 is a keeper' bar 251v i At the 'endof the furnace body overre'aehedjhyethe rail plates 19,20 is artie plete V pushing device 1%,. which includes a; rock-I Y she-i126 supported in brackets" 27 anchored" I jto seide id 'ofsaid furnaciebody. A lBVdIfiQQS buckling upwardly under the thrusts ini- V hired: to said roclgshatft 26' is connected parted thereto by the pusher heeds36. The

1 through av link29 withe emnkfiO on a crankshaft 31 journaled'ii ajbra'cket32 anchored V I to. the body 10 of the furnace. Saidzc'r'ank shaft 31. has Lei beltpulley33 fixed thereto an'dgto whielrpower is applied-forj'driviug said j pushing" devie e" Br Rising ironi the V reek-shaft '26 are" 11: pair of sp aeederms. Qnearm 34;,is eonheetedjthrough a link*35 with a pusher 'headBG-Slidebly resting on'oue pair, of rail "plates 19, and between the guide. bars21, 22-oh seid plates. i he other m 341 s Connected through e-lirik with iamply Clearing the sides of the: slots 13. In suchjtrzwel, said sections, 'spalhhed by the 7 receive the flanges vof the tie-plate sections.

tuel'toflthe flene'esof thetiefpleteseetions. 1 Changes m -the spemfieformofmy 11venthe sco e of what is claimed ithout departirw. fro mthe spirit of my invention.

" Having described my invention, fwh at 5 I claim as new and desireto'protec'tbyLetters '1 Patent is Y 1. A furn hz iving a heated chamloer and an velongated the' guide b rs;21,"22;thereon," Rotation of H slot eounnun eatingwith said chamberthe pulley 33, results in the synchronous rev oiprocatiohof the pusher heads 36 on the rail plates 1 9 20; The throw. ofssaid pusher l healds 3.6iiss lightly greete'r' than the width of fii--PiEltQ sectioiifor Which the furnaeefis jides'igned, Such tie-'plartesectiori is shown in giessivel y moving 1F and it consists of a platform 37',- f guidevvaye."v

puhohedi'aszrt 3 8 -150 receive spikes; said plat- 2.2L urnace} 7 7 f'form' having a? fiangegt). traversing the same; tie 'pla'dte; seetionsieomprising a ,body portion Tie-plzitefsectio s ofthis .kind are" struck e from blanks sin one press and" then resolved f'hto: completed tie -plates by having? the s thereofhent in anoth'ei pres's to. form 1a embers, Theinstantifurneee heats for s her; ling; the flanges of-Tsueh tie-plate sec- 'tioiis the heeting'oper-etion being effected by (ioiifihiiig the e furnace "heat paijtioulerly to sziid "flai ges midPduri. 3 the icohveyiiigfbypletesq-seichiabt being adep'ted flteely to re- V I h said,slot'end"engeg ngjseidjt o TSftICl"fulfil CQOf tli j tie pl te sections fie-m; holdingthe same m 'plztee along aid" guld0- one piessto the other. ways. 1

Irrusinig the dGV CGiV tie-plate sections ere leid'fienges dow i,ontheQrziil plates 19, 2Q. fin front of the "retractedV pusher heads 36 at V ftheends of t return" strokes of saidheads; The continuance ofthis operation maintainstrain of tie-jplateise etions 011 each of the peir of rail letes 19 each train moving step-YuponfeeohWorking thrustyof its re speetive' pusher Ihezid 36; Being diminished 'rbye'nei tie-plate section; as the leading section is e e'etedfrom;tlie fiiriiece upon the Working" 1th oi x of its respective pusher head; 36.,geaehj "itre Ir offs otioiiszis epl'enishediwith"w ee 7 sziid i'pusherzheaidfifihasbeen re tr ted f lhe flenges'Qoflthe"tie-plate see Lie 0 the appropriate timing of the;

ds 86,1311? properlysheated for 2 plate fol-med ivith axtmnsversje, flahgethereair blastleads, entering the, eha mb e 7 1' body zhaevingen" elongated; opening n the her" said 'openirrgfbeihg relati eljrfznarrow gaseom me with theleiigth "o a t; section and ,sp e'eepmiis gii de e Qtop of the fu nace;seide eloi g' edope i being, adapte to ifreely ieeeive*the fi oliiii e aid ther furnece. j gmlffa hey ,afg jeoted or ,tw gth guide "'prziqtichlly confines the heat ofthe burning tion, hereiri disclosed, may bemadeiwithin' aloe forlieetihg the fieiiges of p'ushergheed 36'slidebly resting onthe 25 other pair of'ra'il plates l9,-'-20 and between. plate sections *comprlsihgfa {body portion foriheatiiig the 7 having aheated eha-mbei endiormediwith an, elongated slO'i' communicating" with said chamber, guideways,'-fornied aloii said slot ',;for the reception of a series of anged tiea ,oeive the flanges of such tie-plates'niezins for q prog-liessively moving said .tie-plates'elongsaid guideweys, end a keeper parallelihg plates ior furrizte for heaitii'ig the flanges oftie 1 plate {sections of; the type j nol'udlng" a, body 1 N on; said iiurneee'comprisin'g a hody'of ifefractory materiel forming I -11'; elongated com abustion' chamber therelri, associated fuel and said top thereof communicatingwithsaid ehe htaken therefrom at the delivery ends of the rail plates 19, 20. In the trevelof the tieis platesections over therail pletes 19,"20, the guidebar' 21, 22, e'o-operate Withthe ends- 0i said sections andkeep them; 'latera'lly,in train-like formation with the fiangesthereof keeper bars 25, are held by seid bers ageinst o fi tie-plzite'seotions erra igededgeto 'edge and also edaptedrtojbe bridged by the bodies se, e. e ,xiof j said" secti ns", o-J' e tedi d r' b eiiding after they :heve ftra/Yled'theglength; "placed; (jil 'gifihitOpfOf the? furnace -:b'o dy' be: des being" adept-ed tofco-openate Withthe ends of such sections and direct said sections, inn-a111,;aloe-gene furnace between said guides, and means for i preventing e the tie-plate sections from buckling in; the train said pusher:

thereofunder the; action: of

4. A "furnace for heating the flanges-of V tie-plate sections of the .type including ,&a body'plate formed with a transverse flange thereomsaid furnace comprising a body of refractory material forming an elongated combustion chamber therein, associated fuel.

and air blast'leadsentering the chamber, said body having an elongated opening in. the top thereofcommunicating with said chamber, said opening being relatively narrow as compared with the length of a tie plate section and spaced parallel guides at.

the top of the furnace, said elongated opening being adapted to freely receive the flanges of tie-plate sections arranged edge to edge and also adapted tobe bridged by p the bodies ofsaid'sections so related and slidablyplaced on the top of the furnace body between the guides, said guides being adapted to co-operate' with the ends of such sections and direct said sections, in train,

along the top of the furnace, and a recip thereon and to propel said train step-bye plate section ,to the train. 7

rocating pusher at oneend of the furnace structure adapted to engage the last tieplate section of a train of suchsections step .alongthe furnace'structure between said'guides, said pusher being further adapt ed to be shifted on each return stroke there-l of to permit of the addition ofa new tie 5. A furnace forheating theflangesoftieplate; sections of the ftype including' a body 7 plate formedwith a transverse flange thereon, said furnace comprisinga body of refractory material forming, an elongated combustion chamber therein, associated fuel V 'slidably: placed onthei'top of the furnace;

' along the top. of the furnace, and a pusher 1 at one end of the'furnace structure-adapted and fair bl'ast leads entering the chamber,

said body havingan elongated opening hr the top thereof communicating With said chamber, said opening being relatively narrow as compared With thelength of tieplate section and spaced parallel guides at.

the top of the furnace, said elongatedopeningf beingvadapted to freely receive the flangesoftie-plate sections arranged edge body' betiveen the guides, said guides being adapted to co operate with the ends-of such sections and direct .fsaid sections, in train,

toengage the last tie-plate section at theend crating the same r I, ;9. A furnace for heating the flanges of tieplate sections comprising a bodyportion of a train thereof and to propel said :trfain I I 7 along the furnace between said-guides. top'of'the fu1'*nace','a'pusher'at one end of the furnace structure adapted to enga ge the last tie-plate section at 'the end of 'ztftr'ain thereof and to propel'sa'id train along the .6. A fn'rn'acevfor heatingthe flanges-oftie-l plate 'sectionsof the,typexi ncluding-Jabody V plate=formedwith 'a transverse flangeth'ere- I on, said furnace comprismgabody of1re-.

fiia'Cit'Oiy material 'formingani elongated co1n- V bastion chamber therein, associated fuel and air blast leads entering theohamber, said bodyhavingianielong'ated op ning in the top: f2 thereof communicating with sald chamber,

said opening being relatiuelynarroavyas .com-

I pared' i'vi-thsthe length :of a ntie pl'atessection, f

and spaced" parallel guides at the top of the furnace, said elongated opening being adapted to freely receive the flanges of tieplate sections arranged edge to edge '3 and also adapted to be bridged by" the bodies of [said sections so related and sli'dably placedon the top ofthe furnace-body between the guides, said-guides being adapted to' cooperate with the ends of suchsections and direct said sections, in train, along the top of the furnace, and means for propelling. a" train of I guides.

tie plate sections between said 7. A furnace'for heating the flanges oftiei plate 'sections of the type including a body "plate formed with a transverse flange thereon, said furnace comprisinga body of .re--- fractory material forming an elongated comic bustion chamber therein, associated fuel'and.

air b-last leads entering the cha1nber,"said body having an elongatedopening in the top thereof, communicating with said cham- I her, said opening being relatively narrow as rc ompared yvith the lengthof a tie-plate section and spaced parallellguides'f t the top. "of the furnace, said elongated opening be- '1 ing adapted to freely receive the flanges of tie-plate secti ns arranged edge to edge and also adapted to be bridged by the bodies of said sections so related and'slidably placed on the top of the furnace body between the" guides, said guides being adapted to cooperate with the ends of: such. sections and direct saidisection's, in train,'alongthe to'pof I the furnace. I

'8, A furnace, as set forth inclaim ficom- L tuned in parallelism with a like structure, 'pus'hers at theend 0f thejcor'nbined struc-' ture, one for each unit, each pusher being 7 adapted to engage the last tie-platesection 'at'the end'of a train on its respective unit and to propel saidtraini alongsaid 1 11151 43 tween its respective guides, and ineans'com-' mon' to said pushers for synchronously op having-a heated chamber and formed with an'ged j tie- 'eeive the flangesof such tie-plates, a trans- '1:'verselyvgdi'sposed rocksha'ft situated at one end of said slot, an; arm secured. to said rock-shaft,terminiting iii proximity to said guideways, a linkpivot'ed'to said arm and 11:1 pu'shenhead attached to said link and mov able aleng said gu'idei 'vays for eonveyirigithe tie-plates along said 1 ideways, .andsmezim 615 rocking saidrock-shaft.

'10. A furnace forl lieating having a ,liezited ehamber and formed with ah elonga ted slet commu iicating with said V the flanges bi v V tie-plate sect ons "comprising a body portion guidewajs fermed along saidsl ot 'for' the; reception ofa series of fia nged tieplates, said slqtbeil g ada'pted freely t6 receiveft he; flanges 0'1": such tie-plates, transversegsuppertssecured t'oijs'aid guideivays at ntervals throi'ighoutihelr'1ength,' and; a keeper seciiredato' said supports adapted to engage said tie-plates'for holding the same" in said 'gUideways; and'means for conveying the ti6-pl9/CBS along said guideways.

*ln testimony whereof, I have signed-my name to this specification.

7 V'MELVIN; 'OVESTRUD;

CERTlFICATE OF CORfiEC'TION.

Pats-ii lio l ,Gli ,318 granted begember 21 to MLLJVIN OVES'Ii-LUD.

It is 1135'3 by certified Lnat in; show mentioned patent was erroneously 1855 ed 50 Twin City Forge i Foundry Company, of Still-mater Minnesota, 9. 601"13 33'81'. ion of Minnesota as ascignss of the sntirs iiitsrss in SFlfi invention, 58 said Patent should 11: 2 been issued to the invsn oa", said UVGSoTLld and Tax-ii (214 Page 61 Foundry COIQLJQQY said Twin City Forge 3; Foundry Company bsing assignee of one-half intsrsiz on y in said invention, as shown by the moor is of assignments iii this office; and that the said Letters Pats; 1 should be read with this cozrsotion therein that @513 same? may conform the record. of the case in the Patent Office. Signed and sealed this 15th day of February, A. D. 1927.

William A. Flinnon,

Seal= Acting Commissioner 01 Patents. 

